Cushion-heel.



UNITED STATES PATENT rica.

\VILHELM A. ZICKERMAN, OF HYDE PARK, MASSACHUSETTS, ASSIGNOR, BY MESNE ASSIGNMENTS, OF ONE-HALF TO OLONDO B. EMERY.

CUSHION-HEEL.

SPECIFICATION forming part of Letters Patent No. 634,435, dated October 3, 1899.

Application filed May 24,1899. Serial No. 718,112. (No model.)

To aZZ whom, it may concern; upon the .heel, the resiliency of the material Be it known that I, VVILHELM A. ZICKER- thereof takes up shock or jar; but in addi- MAN, of Hyde Park, county of Norfolk, State tion the tread portion a is forced upward, of Massachusetts, have invented an Improvecompressing the air contained in the cham= 5 mentin Cushion-Heels, of which thefollowing ber a, the elasticity of the air-cushion thus 5 5 description, in connection with the accompaformed adding to the elasticity and resilience nying drawings, is a specification, like letters of the material of which the heel is made.

and figures on the drawings representing like In order to avoid a thin joint or hinge beparts. tween the body a of the heel and the project- This invention has for its object the proing tread portion, I make the side walls of'the 6o duction of a cushioned elastic heel for boots chamber merge into the bottom thereof in a and shoes, whereby in addition to the elascurve, as shown at 10, Fig. 1, and likewise ticity and resiliency of the material of the the sides of the tread portion merge into the heel an air-cushion contained therein will inbody in a curved surface, as at 20, so that the crease the springiness of the heel and add to portion of the material between such oppothe comfort and ease of the wearer. sitely-curved surfaces is thick and strong Various novel features of my invention will enough to resist the constant movement of be hereinafter described, and particularly the tread portion up and down relatively to pointed out in the claims. the body of the heel.

20 Figure l is a longitudinal sectional View of The heel herein shown is secured to the heel a heel embodying my invention on the line of the boot or shoe by cement, as at c, Fig. 1,

a: 00, Fig. 2, attached to a boot or shoe heel. and preferably by nails or other fastenings Fig. 2 is an under side or face view of the cushd, extended through the laterally-projecting ion-heel; and Fig. 3 is atop or plan view therepart of the body a into the boot or shoe heel.

2 5 of, showing the chamber therein which forms I prefer to make the heel of homogeneous the air-cushion when the heel is secured in molded rubber, because of the greater duraplace. bility and resilience thereof and on account In carrying out my invention I make the 0f cheapness of construction, and, referring heel preferably of homogeneous elastic mateto Fig. 1, it will be seen that the tread por- 0 rial, such as rubber, molded to shape and tion a may be worn down level with the face vulcanized, the heel comprisinga body porof the body ct without destroying the integtion a of the external shape and size of the rity of the air-chamber, as the depth of the boot or shoe heel or heel-lifts H, Fig. 1, to chamber is made about one-half that of the which it is to be secured, said body having a thickness of the body irrespective .of the 3 5 recess or chamber a in its top and'a projectthickness of the tread portion. 8 5v ing tread portion a on its face. The cham- My invention is not restricted to the preber a is shaped similarly to the perimeter of cise construction and arrangement shown, the bodya to present arather broad, smooth, and I have only shown and described one and fiat rib-like attaching-surface 0), Fig. 3, practical embodiment of my invention with- 40 which in practice is cemented, as at c, Fig. 1, out attempting to illustrate various modifito the heel of the boot or shoe, thus confincations coming within the spirit and scope of ing a body of air in the' chamber a. The my invention. tread portion 0 projecting from the face of Having described my invention, what I the body a, is of substantially the shape and claim as new, and desire to secure by'Letters 5 size of the chamber and below the latter, the Patent, is- 5 face of said tread portion being corrugated 1. As an article of manufacture, an elastic or otherwise roughened, as at a to afford a heel for boots and shoes, having an integral firm hold on the ground or other surface tread portion projecting from the face of the walked upon. solid body portion of the heel, and a chamber 50 When the weight of the user is brought in the heel above said tread portion.

As an article of manufacture, an elastic heel for boots and shoes, having a recessed top adapted to be cemented at its edges to a heel-lift, and a tread portion projecting from the face of the heel.

3. As an article of manufacture, an elastic heel for boots and shoes, comprising a body portion chambered in its top and with a tread portion projecting from its face, the side Walls of the chamber and tread portion being opsitely curved to provide a thick portion of the elastic material between them.

4. As an article of manufacture, a homogeneous, molded elastic heel for boots and shoes, having a tread portion projecting from its face and a recess above said tread portion, to form an air-chamber when the heel is applied to the shoe.

5. As an article of manufacture, a homogeneous, molded elastic heel for boots and shoes, having a tread portion projecting from its face and a recess in its top, the body of the heel presenting a smooth and flat attaching-rib surrounding the recess.

In testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

VILHELM A. ZICKERMAN.

Witnesses:

EMMA J. BENNETT, FREDERICK L. EMERY. 

